Finding the Fourth Proportional to 7,968,118,355.40, 11,952,177,533.10 and 2,447,367,529.80
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Solution
The fourth proportional to 7,968,118,355.40, 11,952,177,533.10 and 2,447,367,529.80 is: 3,671,051,294.70
Step by Step Solution
- Step 1: Write the proportion equation
7,968,118,355.40 : 11,952,177,533.10 = 2,447,367,529.80 : x - Step 2: Convert to fraction form
7,968,118,355.40/11,952,177,533.10 = 2,447,367,529.80/x - Step 3: Cross multiply
7,968,118,355.40x = 11,952,177,533.10 × 2,447,367,529.80 - Step 4: Simplify right side
7,968,118,355.40x = 29,251,371,204,914,008,064 - Step 5: Solve for x
x = 29,251,371,204,914,008,064/7,968,118,355.40 - Step 6: Final answer
x = 3,671,051,294.70
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.